When it comes to big questions about saving and investing, author Nick Maggiulli is critical of the answers given by the financial industry.  In his book, Just Keep Buying , Maggiulli brings data and evidence to answer these questions in interesting new ways.  I find myself agreeing with most of his conclusions, but not always with how he arrives at them or expresses them.  Whether you agree or disagree with his conclusions, Maggiulli adds to the discussion with thoughtful points of view. This book is organized around 21 questions that many people ask, including “How much should you save?”, “Should you ever go into debt?”, "Should you rent or should you buy?”, “What should you invest in?”, and “How soon should you invest?”  The discussion and answer to each question is its own chapter. In the rest of this review, I’ll examine some of these answers. Save what you can How much money should you save?  Maggiulli says to “save what you can.”  On its own, this is...